| Europa League 1974/1975 - Appearances as Referee |  |
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| 02/10/1974 | Djurgårdens IF | - | IK Start | 5:0 | 1 | - | - |
| 05/03/1975 | 1. FC Köln | - | FC Amsterdam | 5:1 | 6 | - | 1 |
| Europa League 1974/1975 - Appearances as Referee | |
|
|
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| 02/10/1974 | Djurgårdens IF | - | IK Start | 5:0 | 1 | - | - |
| 05/03/1975 | 1. FC Köln | - | FC Amsterdam | 5:1 | 6 | - | 1 |
| Complete name: | Marian Środecki |
| Born: | 22/05/1935 † 24/11/2007 |
| Place of birth: |
Poland |
| Residence: | Wrocław |
| Nationality: |
Poland |